TM 9-2320-364-20-32-2583(1) Loosen screw and remove connector from boom UP solenoid.(2) Set multimeter select switch to volts.(3) Connect positive (+) multimeterlead to harness connector,terminal 1.(4) Connect negative () multimeterlead to a known good ground.(5) Turn ON ENGINE switch(TM 9-2320-364-10).(6) Set WINCH/CRANE switch to CRANE position.(7) Set hydraulic selector switch toCRANE/SRW position.(8) Set crane POWER switch toON position.(9) Set remote control ON/OFFEMERGENCY STOP power switch to ON position.(10) Hold remote control unitBOOM controller in the UP position.(a)If 22 to 28 vdc are notpresent, perform Step (11) below and go to Step 2 of this Fault.(b)If 22 to 28 vdc are present, perform Step (11) below and goto Step 8 of this Fault.(11) Set the following switches in OFF position: REMOTE CONTROL UNIT ON/OFF EMERGENCY STOPswitch, crane POWER switch, hydraulic selector switch andENGINE switch.VOLTAGE TESTRemove all jewelry such as rings, dog tags, bracelets, etc. If jewelry or tools contact positive electrical circuits, a direct short may result. Damage to equipment, injury or death to personnel may occur.